diff --git a/excel/annotation-processor/src/main/java/com/riiablo/excel/TableGenerator.java b/excel/annotation-processor/src/main/java/com/riiablo/excel/TableGenerator.java
index 82099311..d069ef43 100644
--- a/excel/annotation-processor/src/main/java/com/riiablo/excel/TableGenerator.java
+++ b/excel/annotation-processor/src/main/java/com/riiablo/excel/TableGenerator.java
@@ -12,10 +12,16 @@ import java.util.List;
 import javax.annotation.Generated;
 import javax.annotation.processing.Messager;
 import javax.annotation.processing.ProcessingEnvironment;
+import javax.lang.model.element.Element;
+import javax.lang.model.element.ElementKind;
 import javax.lang.model.element.Modifier;
+import javax.lang.model.element.VariableElement;
 import javax.lang.model.util.Elements;
+import javax.tools.Diagnostic;
 import org.apache.commons.lang3.time.DateFormatUtils;
 
+import com.riiablo.excel.annotation.PrimaryKey;
+
 public class TableGenerator {
   static final ClassName tableName = ClassName.get(Table.class);
 
@@ -46,9 +52,52 @@ public class TableGenerator {
   JavaFile generateFile(SchemaAnnotatedElement schema) {
     String comments = schema.name.canonicalName();
     List<FieldElement> fields = new ArrayList<>(256);
+    VariableElement primaryKey = null, firstField = null;
+    for (Element element : schema.element.getEnclosedElements()) {
+      try {
+        PrimaryKeyAnnotatedElement annotatedElement = PrimaryKeyAnnotatedElement.get(element);
+        if (annotatedElement != null) {
+          if (schema.annotation.indexed()) {
+            throw new GenerationException(
+                String.format("indexed schema defines a @%s",
+                    PrimaryKey.class.getCanonicalName()),
+                element)
+                .kind(Diagnostic.Kind.WARNING);
+          } else if (primaryKey == null) {
+            primaryKey = annotatedElement.element;
+          } else {
+            throw new GenerationException(
+                String.format("%s has already been set as the @%s",
+                    primaryKey.getSimpleName(),
+                    PrimaryKey.class.getCanonicalName()),
+                element, annotatedElement.mirror);
+          }
+        } else if (firstField == null && element.getKind() == ElementKind.FIELD) {
+          firstField = (VariableElement) element;
+        }
+      } catch (GenerationException t) {
+        t.printMessage(messager);
+      }
+    }
 
-    TypeSpec.Builder tableType = newTable(schemaName, fields)
+    if (primaryKey == null && firstField != null) {
+      messager.printMessage(Diagnostic.Kind.WARNING,
+          String.format("%s does not declare a @%s, using %s",
+              schema.name, PrimaryKey.class.getCanonicalName(), firstField.getSimpleName()),
+          schema.element);
+      primaryKey = firstField;
+    }
+
+    MethodSpec constructor = MethodSpec
+        .constructorBuilder()
+        .addStatement("super($T.class)", schema.element)
+        .build();
+
+    TypeSpec.Builder tableType = newTable(schema, fields)
         .addAnnotation(newGenerated(comments))
+        .addMethod(constructor)
+        .addMethod(offset(schema))
+        .addMethod(primaryKey(primaryKey))
         ;
 
     return JavaFile
@@ -76,4 +125,24 @@ public class TableGenerator {
         .addModifiers(Modifier.PUBLIC, Modifier.FINAL)
         ;
   }
+
+  MethodSpec offset(SchemaAnnotatedElement schema) {
+    return MethodSpec
+        .methodBuilder("offset")
+        .addAnnotation(Override.class)
+        .addModifiers(Modifier.PROTECTED)
+        .returns(int.class)
+        .addStatement("return $L", schema.annotation.offset())
+        .build();
+  }
+
+  MethodSpec primaryKey(VariableElement primaryKey) {
+    return MethodSpec
+        .methodBuilder("primaryKey")
+        .addAnnotation(Override.class)
+        .addModifiers(Modifier.PROTECTED)
+        .returns(String.class)
+        .addStatement("return $S", primaryKey)
+        .build();
+  }
 }
diff --git a/excel/core/src/main/java/com/riiablo/excel/Table.java b/excel/core/src/main/java/com/riiablo/excel/Table.java
index 5300b030..b51ed6e4 100644
--- a/excel/core/src/main/java/com/riiablo/excel/Table.java
+++ b/excel/core/src/main/java/com/riiablo/excel/Table.java
@@ -1,22 +1,77 @@
 package com.riiablo.excel;
 
+import java.util.Iterator;
+
+import com.badlogic.gdx.utils.Array;
+import com.badlogic.gdx.utils.IntMap;
+import com.badlogic.gdx.utils.ObjectIntMap;
+
 /**
  * @param <R> type of records stored in this table
  */
-public abstract class Table<R> {
-  public R get(String id) {
-    throw new UnsupportedOperationException();
+public abstract class Table<R> implements Iterable<R> {
+  protected final Class<R> recordClass;
+  protected ObjectIntMap<String> lookup;
+  protected IntMap<R> records;
+  protected Array<R> ordered;
+
+  protected Table(Class<R> recordClass) {
+    this(recordClass, 53);
+  }
+
+  protected Table(Class<R> recordClass, int initialCapacity) {
+    this(recordClass, initialCapacity, 0.8f);
+  }
+
+  protected Table(Class<R> recordClass, int initialCapacity, float loadFactor) {
+    this.recordClass = recordClass;
+    records = new IntMap<>(initialCapacity, loadFactor);
+    ordered = new Array<>(true, (int) (initialCapacity * loadFactor), recordClass);
+    lookup = null;
+  }
+
+  @SuppressWarnings("unchecked")
+  public Class<? extends Table<R>> tableClass() {
+    return (Class <? extends Table<R>>) getClass();
+  }
+
+  public Class<R> recordClass() {
+    return recordClass;
+  }
+
+  protected void put(int id, R record) {
+    records.put(id, record);
+    ordered.add(record);
   }
 
   public R get(int id) {
-    throw new UnsupportedOperationException();
+    return records.get(id);
   }
 
   public int index(String id) {
-    throw new UnsupportedOperationException();
+    return lookup == null ? -1 : lookup.get(id, -1);
+  }
+
+  public R get(String id) {
+    return get(index(id));
   }
 
   public int size() {
-    throw new UnsupportedOperationException();
+    return records.size;
+  }
+
+  protected int offset() {
+    return 0;
+  }
+
+  protected String primaryKey() {
+    return null;
+  }
+
+  protected void init() {}
+
+  @Override
+  public Iterator<R> iterator() {
+    return ordered.iterator();
   }
 }
diff --git a/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStats.java b/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStats.java
index a66bf7f2..a6310836 100644
--- a/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStats.java
+++ b/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStats.java
@@ -9,6 +9,11 @@ import com.riiablo.excel.annotation.Schema;
 // @SerializedWith(MonStatsSerializerImpl.class)
 @SuppressWarnings("unused")
 public class MonStats {
+  @Override
+  public String toString() {
+    return NameStr;
+  }
+
   @PrimaryKey
   public String Id;
   public int hcIdx;
@@ -41,9 +46,179 @@ public class MonStats {
   public int Velocity;
   public int Run;
   public int Rarity;
+  public String MonSound;
+  public String UMonSound;
+  public int threat;
+  public String MissA1;
+  public String MissA2;
+  public String MissS1;
+  public String MissS2;
+  public String MissS3;
+  public String MissS4;
+  public String MissC;
+  public String MissSQ;
+  public int Align;
+  public boolean isSpawn;
+  public boolean isMelee;
+  public boolean npc;
+  public boolean interact;
+  public boolean inventory;
+  public boolean inTown;
+  public boolean lUndead;
+  public boolean hUndead;
+  public boolean demon;
+  public boolean flying;
+  public boolean opendoors;
+  public boolean boss;
+  public boolean primeevil;
+  public boolean killable;
+  public boolean switchai;
+  public boolean noAura;
+  public boolean nomultishot;
+  public boolean neverCount;
+  public boolean petIgnore;
+  public boolean deathDmg;
+  public boolean genericSpawn;
+  public boolean zoo;
+  public int SendSkills;
+  public String Skill1;
+  public String Sk1mode;
+  public int Sk1lvl;
+  public String Skill2;
+  public String Sk2mode;
+  public int Sk2lvl;
+  public String Skill3;
+  public String Sk3mode;
+  public int Sk3lvl;
+  public String Skill4;
+  public String Sk4mode;
+  public int Sk4lvl;
+  public String Skill5;
+  public String Sk5mode;
+  public int Sk5lvl;
+  public String Skill6;
+  public String Sk6mode;
+  public int Sk6lvl;
+  public String Skill7;
+  public String Sk7mode;
+  public int Sk7lvl;
+  public String Skill8;
+  public String Sk8mode;
+  public int Sk8lvl;
+  public int DamageRegen;
+  public String SkillDamage;
+  public boolean noRatio;
+  public boolean NoShldBlock;
+  public int Crit;
+  public String El1Mode;
+  public String El1Type;
+  public String El2Mode;
+  public String El2Type;
+  public String El3Mode;
+  public String El3Type;
+  public int TCQuestId;
+  public int TCQuestCP;
+  public int SplEndDeath;
+  public boolean SplGetModeChart;
+  public boolean SplEndGeneric;
+  public boolean SplClientEnd;
 
   @Format(format = "Level%s", values = {"", "(N)", "(H)"}, endIndex = 3)
   public int[] Level;
-
-
+  @Format(format = "aidel%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aidel;
+  @Format(format = "aidist%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aidist;
+  @Format(format = "aip1%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip1;
+  @Format(format = "aip2%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip2;
+  @Format(format = "aip3%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip3;
+  @Format(format = "aip4%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip4;
+  @Format(format = "aip5%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip5;
+  @Format(format = "aip6%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip6;
+  @Format(format = "aip7%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip7;
+  @Format(format = "aip8%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] aip8;
+  @Format(format = "Drain%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] Drain;
+  @Format(format = "coldeffect%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] coldeffect;
+  @Format(format = "ResDm%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ResDm;
+  @Format(format = "ResMa%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ResMa;
+  @Format(format = "ResFi%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ResFi;
+  @Format(format = "ResLi%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ResLi;
+  @Format(format = "ResCo%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ResCo;
+  @Format(format = "ResPo%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ResPo;
+  @Format(format = "ToBlock%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] ToBlock;
+  @Format(format = "minHP%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] minHP;
+  @Format(format = "maxHP%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] maxHP;
+  @Format(format = "AC%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] AC;
+  @Format(format = "Exp%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] Exp;
+  @Format(format = "A1MinD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] A1MinD;
+  @Format(format = "A1MaxD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] A1MaxD;
+  @Format(format = "A1TH%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] A1TH;
+  @Format(format = "A2MinD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] A2MinD;
+  @Format(format = "A2MaxD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] A2MaxD;
+  @Format(format = "A2TH%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] A2TH;
+  @Format(format = "S1MinD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] S1MinD;
+  @Format(format = "S1MaxD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] S1MaxD;
+  @Format(format = "S1TH%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] S1TH;
+  @Format(format = "El1Pct%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El1Pct;
+  @Format(format = "El1MinD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El1MinD;
+  @Format(format = "El1MaxD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El1MaxD;
+  @Format(format = "El1Dur%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El1Dur;
+  @Format(format = "El2Pct%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El2Pct;
+  @Format(format = "El2MinD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El2MinD;
+  @Format(format = "El2MaxD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El2MaxD;
+  @Format(format = "El2Dur%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El2Dur;
+  @Format(format = "El3Pct%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El3Pct;
+  @Format(format = "El3MinD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El3MinD;
+  @Format(format = "El3MaxD%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El3MaxD;
+  @Format(format = "El3Dur%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public int[] El3Dur;
+  @Format(format = "TreasureClass1%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public String[] TreasureClass1;
+  @Format(format = "TreasureClass2%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public String[] TreasureClass2;
+  @Format(format = "TreasureClass3%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public String[] TreasureClass3;
+  @Format(format = "TreasureClass4%s", values = {"", "(N)", "(H)"}, endIndex = 3)
+  public String[] TreasureClass4;
 }
diff --git a/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStatsTableImpl.java b/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStatsTableImpl.java
index 57a740c5..67271d1b 100644
--- a/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStatsTableImpl.java
+++ b/excel/excel-test/src/main/java/com/riiablo/excel/txt/MonStatsTableImpl.java
@@ -3,5 +3,7 @@ package com.riiablo.excel.txt;
 import com.riiablo.excel.Table;
 
 public class MonStatsTableImpl extends Table<MonStats> {
-  private MonStatsTableImpl() {}
+  private MonStatsTableImpl() {
+    super(MonStats.class);
+  }
 }